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Hibschite and Spinel Optical Properties


Spinel and Hibschite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Not Available   
Absent   

Dispersion
Not Available   
0.02   
18

Transparency
Semitransparent   
Transparent, Translucent, Transparent to translucent   

Refractive Index
Not Available   
1.73   

Optic Character
Not Available   
Not Available   

Crystal System
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: I a3d   
Isometric   

Birefringence
Not Available   
Not Available   

Clarity
TranslucentAnthony et al   
TransparentUlrich Henn and Claudio C. Milisenda   

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Hibschite and Spinel Optic Character

Hibschite and Spinel optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Hibschite and Spinel Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Hibschite and Spinel optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

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Hibschite and Spinel Transparency

Similar to their colors, Hibschite and Spinel transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Hibschite is Semitransparent while Hibschite is Semitransparent in appearance.

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